diff --git a/src/GEOS-Chem b/src/GEOS-Chem
index 6bc16cd..66fb61a 160000
--- a/src/GEOS-Chem
+++ b/src/GEOS-Chem
@@ -1 +1 @@
-Subproject commit 6bc16cd99b2498c0f436ead69abcf6c46a597c00
+Subproject commit 66fb61ab1febc2503fcc149ea570a255e2ebf94c